zathura/zathura/document.h
Sebastian Ramacher 9cc9774fe6 Add document hash
2019-12-01 17:02:12 +01:00

417 lines
12 KiB
C

/* SPDX-License-Identifier: Zlib */
#ifndef DOCUMENT_H
#define DOCUMENT_H
#include <stdbool.h>
#include <stdint.h>
#include <girara/types.h>
#include "types.h"
/**
* Open the document
*
* @param plugin_manager The zathura instance
* @param path Path to the document
* @param password Password of the document or NULL
* @param error Optional error parameter
* @return The document object and NULL if an error occurs
*/
zathura_document_t* zathura_document_open(zathura_t* zathura,
const char* path, const char *uri, const char* password, zathura_error_t*
error);
/**
* Free the document
*
* @param document
* @return ZATHURA_ERROR_OK when no error occurred, otherwise see
* zathura_error_t
*/
ZATHURA_PLUGIN_API zathura_error_t zathura_document_free(zathura_document_t* document);
/**
* Returns the path of the document
*
* @param document The document
* @return The file path of the document
*/
ZATHURA_PLUGIN_API const char* zathura_document_get_path(zathura_document_t* document);
/**
* Returns the URI of the document
*
* @param document The document
* @return The URI of the document
*/
ZATHURA_PLUGIN_API const char* zathura_document_get_uri(zathura_document_t* document);
/**
* Returns the basename of the document
*
* @param document The document
* @return The basename of the document
*/
ZATHURA_PLUGIN_API const char* zathura_document_get_basename(zathura_document_t* document);
/**
* Returns the SHA256 hash of the document
*
* @param document The document
* @return The SHA256 hash of the document
*/
ZATHURA_PLUGIN_API const uint8_t* zathura_document_get_hash(zathura_document_t* document);
/**
* Returns the password of the document
*
* @param document The document
* @return Returns the password of the document
*/
ZATHURA_PLUGIN_API const char* zathura_document_get_password(zathura_document_t* document);
/**
* Returns the page at the given index
*
* @param document The document
* @param index The index of the page
* @return The page or NULL if an error occurred
*/
ZATHURA_PLUGIN_API zathura_page_t* zathura_document_get_page(zathura_document_t* document, unsigned int index);
/**
* Returns the number of pages
*
* @param document The document
* @return Number of pages
*/
ZATHURA_PLUGIN_API unsigned int zathura_document_get_number_of_pages(zathura_document_t* document);
/**
* Sets the number of pages
*
* @param document The document
* @param number_of_pages Number of pages
*/
ZATHURA_PLUGIN_API void zathura_document_set_number_of_pages(zathura_document_t* document, unsigned
int number_of_pages);
/**
* Returns the current page number
*
* @param document The document
* @return Current page
*/
ZATHURA_PLUGIN_API unsigned int zathura_document_get_current_page_number(zathura_document_t* document);
/**
* Sets the number of pages
*
* @param document The document
* @param current_page The current page number
*/
ZATHURA_PLUGIN_API void zathura_document_set_current_page_number(zathura_document_t* document, unsigned
int current_page);
/**
* Returns the X position, as a value relative to the document width (0=left,
* 1=right).
*
* @param document The document
* @return X adjustment
*/
ZATHURA_PLUGIN_API double zathura_document_get_position_x(zathura_document_t* document);
/**
* Returns the Y position as value relative to the document height (0=top,
* 1=bottom)
*
* @param document The document
* @return Y adjustment
*/
ZATHURA_PLUGIN_API double zathura_document_get_position_y(zathura_document_t* document);
/**
* Sets the X position as a value relative to the document width (0=left,
* 1=right)
*
* @param document The document
* @param position_x the X adjustment
*/
ZATHURA_PLUGIN_API void zathura_document_set_position_x(zathura_document_t* document, double position_x);
/**
* Sets the Y position as a value relative to the document height (0=top,
* 1=bottom)
*
* @param document The document
* @param position_y the Y adjustment
*/
ZATHURA_PLUGIN_API void zathura_document_set_position_y(zathura_document_t* document, double position_y);
/**
* Returns the current zoom value of the document
*
* @param document The document
* @return The current zoom value
*/
ZATHURA_PLUGIN_API double zathura_document_get_zoom(zathura_document_t* document);
/**
* Returns the current scale value of the document (based on zoom and screen
* PPI)
*
* @param document The document
* @return The current scale value, in pixels per point
*/
ZATHURA_PLUGIN_API double zathura_document_get_scale(zathura_document_t* document);
/**
* Sets the new zoom value of the document
*
* @param document The document
* @param zoom The new zoom value
*/
ZATHURA_PLUGIN_API void zathura_document_set_zoom(zathura_document_t* document, double zoom);
/**
* Returns the rotation value of zathura (0..360)
*
* @param document The document
* @return The current rotation value
*/
ZATHURA_PLUGIN_API unsigned int zathura_document_get_rotation(zathura_document_t* document);
/**
* Sets the new rotation value
*
* @param document The document
* @param rotation The new rotation value
*/
ZATHURA_PLUGIN_API void zathura_document_set_rotation(zathura_document_t* document, unsigned int rotation);
/**
* Returns the adjust mode of the document
*
* @param document The document
* @return The adjust mode
*/
ZATHURA_PLUGIN_API zathura_adjust_mode_t zathura_document_get_adjust_mode(zathura_document_t* document);
/**
* Sets the new adjust mode of the document
*
* @param document The document
* @param mode The new adjust mode
*/
ZATHURA_PLUGIN_API void zathura_document_set_adjust_mode(zathura_document_t* document, zathura_adjust_mode_t mode);
/**
* Returns the page offset of the document
*
* @param document The document
* @return The page offset
*/
ZATHURA_PLUGIN_API int zathura_document_get_page_offset(zathura_document_t* document);
/**
* Sets the new page offset of the document
*
* @param document The document
* @param page_offset The new page offset
*/
ZATHURA_PLUGIN_API void zathura_document_set_page_offset(zathura_document_t* document, unsigned int page_offset);
/**
* Returns the private data of the document
*
* @param document The document
* @return The private data or NULL
*/
ZATHURA_PLUGIN_API void* zathura_document_get_data(zathura_document_t* document);
/**
* Sets the private data of the document
*
* @param document The document
* @param data The new private data
*/
ZATHURA_PLUGIN_API void zathura_document_set_data(zathura_document_t* document, void* data);
/**
* Sets the width of the viewport in pixels.
*
* @param[in] document The document instance
* @param[in] width The width of the viewport
*/
void
ZATHURA_PLUGIN_API zathura_document_set_viewport_width(zathura_document_t* document, unsigned int width);
/**
* Sets the height of the viewport in pixels.
*
* @param[in] document The document instance
* @param[in] height The height of the viewport
*/
void
ZATHURA_PLUGIN_API zathura_document_set_viewport_height(zathura_document_t* document, unsigned int height);
/**
* Return the size of the viewport in pixels.
*
* @param[in] document The document instance
* @param[out] height,width The width and height of the viewport
*/
void
ZATHURA_PLUGIN_API zathura_document_get_viewport_size(zathura_document_t* document,
unsigned int *height, unsigned int* width);
/**
Sets the viewport PPI (pixels per inch: the resolution of the monitor, after
scaling with the device factor).
*
* @param[in] document The document instance
* @param[in] height The viewport PPI
*/
void
ZATHURA_PLUGIN_API zathura_document_set_viewport_ppi(zathura_document_t* document, double ppi);
/**
* Return the viewport PPI (pixels per inch: the resolution of the monitor,
* after scaling with the device factor).
*
* @param[in] document The document instance
* @return The viewport PPI
*/
double
ZATHURA_PLUGIN_API zathura_document_get_viewport_ppi(zathura_document_t* document);
/**
* Set the device scale factors (e.g. for HiDPI). These are generally integers
* and equal for x and y. These scaling factors are only used when rendering to
* the screen.
*
* @param[in] x_factor,yfactor The x and y scale factors
*/
void
ZATHURA_PLUGIN_API zathura_document_set_device_factors(zathura_document_t* document,
double x_factor, double y_factor);
/**
* Return the current device scale factors (guaranteed to be non-zero).
*
* @return The x and y device scale factors
*/
ZATHURA_PLUGIN_API zathura_device_factors_t
zathura_document_get_device_factors(zathura_document_t* document);
/**
* Return the size of a cell from the document's layout table in pixels. Assumes
* that the table is homogeneous (i.e. every cell has the same dimensions). It
* takes the current scale into account.
*
* @param[in] document The document instance
* @param[out] height,width The computed height and width of the cell
*/
ZATHURA_PLUGIN_API void zathura_document_get_cell_size(zathura_document_t* document,
unsigned int* height, unsigned int* width);
/**
* Compute the size of the entire document to be displayed in pixels. Takes into
* account the scale, the layout of the pages, and the padding between them. It
* should be equal to the allocation of zathura->ui.page_widget once it's shown.
*
* @param[in] document The document
* @param[out] height,width The height and width of the document
*/
ZATHURA_PLUGIN_API void zathura_document_get_document_size(zathura_document_t* document,
unsigned int* height, unsigned int* width);
/**
* Sets the layout of the pages in the document
*
* @param[in] document The document instance
* @param[in] page_padding pixels of padding between pages
* @param[in] pages_per_row number of pages per row
* @param[in] first_page_column column of the first page (first column is 1)
*/
ZATHURA_PLUGIN_API void zathura_document_set_page_layout(zathura_document_t* document, unsigned int page_padding,
unsigned int pages_per_row, unsigned int first_page_column);
/**
* Returns the padding in pixels between pages
*
* @param document The document
* @return The padding in pixels between pages
*/
ZATHURA_PLUGIN_API unsigned int zathura_document_get_page_padding(zathura_document_t* document);
/**
* Returns the number of pages per row
*
* @param document The document
* @return The number of pages per row
*/
ZATHURA_PLUGIN_API unsigned int zathura_document_get_pages_per_row(zathura_document_t* document);
/**
* Returns the column for the first page (first column = 1)
*
* @param document The document
* @return The column for the first page
*/
ZATHURA_PLUGIN_API unsigned int zathura_document_get_first_page_column(zathura_document_t* document);
/**
* Save the document
*
* @param document The document object
* @param path Path for the saved file
* @return ZATHURA_ERROR_OK when no error occurred, otherwise see
* zathura_error_t
*/
ZATHURA_PLUGIN_API zathura_error_t zathura_document_save_as(zathura_document_t* document, const char* path);
/**
* Generate the document index
*
* @param document The document object
* @param error Set to an error value (see \ref zathura_error_t) if an
* error occurred
* @return Generated index
*/
ZATHURA_PLUGIN_API girara_tree_node_t* zathura_document_index_generate(zathura_document_t* document, zathura_error_t* error);
/**
* Get list of attachments
*
* @param document The document object
* @param error Set to an error value (see \ref zathura_error_t) if an
* error occurred
* @return List of attachments
*/
ZATHURA_PLUGIN_API girara_list_t* zathura_document_attachments_get(zathura_document_t* document, zathura_error_t* error);
/**
* Save document attachment
*
* @param document The document objects
* @param attachment name of the attachment
* @param file the target filename
* @return ZATHURA_ERROR_OK when no error occurred, otherwise see
* zathura_error_t
*/
ZATHURA_PLUGIN_API zathura_error_t zathura_document_attachment_save(zathura_document_t* document, const char* attachment, const char* file);
/**
* Returns a string of the requested information
*
* @param document The zathura document
* @param error Set to an error value (see \ref zathura_error_t) if an
* error occurred
* @return List of document information entries or NULL if information could not be retrieved
*/
ZATHURA_PLUGIN_API girara_list_t* zathura_document_get_information(zathura_document_t* document, zathura_error_t* error);
#endif // DOCUMENT_H